Yes, The Netherlands have won Eurovision 4 times.
Portugal have never won the Eurovision Song Contest, up to and including the 2011 contest.
Lena Meyer-Landrut, representing Germany, won the Eurovision Song Contest 2010.
Alexander Rybak from Norway won the Eurovision 2009 contest.
Katrina and the Waves won for the UK in 1997
Yes, The Netherlands have won Eurovision 4 times.
Alexander Rybak from Norway won the Eurovision 2009 contest.
Portugal has never won the Eurovision Song Contest
Alexander Rybak won Eurovision in 2009 with a record 387 points.
Azerbaijan won.
Germany
Lena Meyer-Landrut representing Germany won the 2010 Eurovision Song Contest.
Turkey won it
Albania won it
No, Bulgaria have never won the Eurovision Song Contest.
Yes, Alexander Rybak won Eurovision 2009, representing Norway with the song Fairytale.
Linda Martin won the Eurovision Song contest in 1992, representing Ireland.